arcane:

known or knowable only to a few people, secret

arcane:

known or knowable only to a few people, secret

(Adjective)

Example Sentences:

Ramayana:  The sages told King Romapada that to perform the arcane sacrifice for ending the drought, he needed to get the specially pure saint named Rishayashringa.

Mahabharata:  Being pleased with Arjuna’s dedication, Drona gave to him knowledge of arcane mantras that invoked formidable celestial weapons.

Bhagavad-gita:  If the Gita’s knowledge is in some ways arcane, it’s not because Krishna hides it from the world; it’s because the world wants to hide from the light of spiritual knowledge because it seems too dazzling and blinding.